How to Jump Start a Lithium Battery: A Step-by-Step Guide

Jump starting a lithium battery is a relatively simple process, but it’s important to follow the steps carefully to ensure your safety and the safety of your vehicle. Here’s a step-by-step guide to jump starting a lithium battery: 1. Make sure both vehicles are turned off and the keys are removed from the ignition. 2. Connect the positive (red) cable to the positive terminal of the dead battery. 3. Connect the other end of the positive cable to the positive terminal of the working battery. alt-237 4. Connect the negative (black) cable to the negative terminal of the working battery. 5. Connect the other end of the negative cable to an unpainted metal surface on the dead battery’s vehicle, such as a bolt or bracket. 6. Start the working vehicle and let it run for a few minutes.
7. Try to start the dead battery’s vehicle. If it doesn’t start, let the working vehicle run for a few more minutes and then try again. 8. Once the dead battery’s vehicle starts, let it run for a few minutes to charge the battery.
SeriesLithium VoltageLiFePO4 Voltage
1S3.7V3.2V
2S7.4V6.4V
3S11.1V9.6V
4S14.8V12.8V
5S18.5V16V
6S22.2V19.2V
7S25.9V22.4V
8S29.6V25.6V
9S33.3V28.8V
10S37V32V
11S40.7V35.2V
12S44.4V38.4V
13S48.1V41.6V
14S51.8V44.8V
15S55.5V48V
16S59.2V51.2V
17S62.9V54.4V
18S66.6V57.6V
19S70.3V60.8V
20S74V64V
21S77.7V67.2V
22S81.4V70.4V
23S85.1V73.6V
9. Disconnect the cables in the reverse order that you connected them. 10. Take the dead battery to an auto parts store to have it tested and replaced if necessary. Following these steps will help you safely jump start a lithium battery. If you have any questions or concerns, it’s best to consult a professional mechanic.

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